'''
a=0
b=1
c=0

while True:
    sum=a+b
    print(sum)
    c=c+1
    a=b
    sum=a+b
    print(sum)
    b=a+1
    c=c+1
    if c==10000:
        break

'''

for i in range(100, 0, -2):
    print(i)
